CN107534191A - The battery module of probe including the expansion for detecting battery cell - Google Patents
The battery module of probe including the expansion for detecting battery cell Download PDFInfo
- Publication number
- CN107534191A CN107534191A CN201680022625.5A CN201680022625A CN107534191A CN 107534191 A CN107534191 A CN 107534191A CN 201680022625 A CN201680022625 A CN 201680022625A CN 107534191 A CN107534191 A CN 107534191A
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- battery
- battery module
- module according
- receiving portion
- battery cell
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- 239000000523 sample Substances 0.000 title claims abstract description 43
- 239000000178 monomer Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000003792 electrolyte Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000005611 electricity Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/105—Pouches or flexible bags
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to the battery module of the probe including the expansion for detecting battery cell.More particularly, the present invention relates to a kind of battery module, including：Two or more rechargeable battery monomers；Sensing probe, at least one outer surface in battery cell is arranged on to sense the local expansion of battery cell and changes simultaneously transmission signal；And controller, from sensing probe reception signal, the internal pressure of battery cell is estimated according to received signal, and when estimated internal pressure exceedes threshold pressure level, produce alarm signal to ensure the security of battery module.
Description
The cross reference of related application
Present application requires Korea Spro 10-2015-0140182 applied to Korean Intellectual Property Office on October 6th, 2015
The rights and interests of state's patent application, the disclosure of which are all incorporated herein by reference.
Technical field
The present invention relates to the battery module of the probe including the expansion for detecting battery cell.
Background technology
Currently, the energy source that the rechargeable battery being charged and discharged has been widely used as portable radio device is repeated.This
Outside, energy source of the rechargeable battery as electric vehicle, hybrid electric vehicle etc. causes concern, has been proposed as
Solves the solution of the regular price gasoline vehicle using fossil fuel and the air pollution in diesel vehicle.Therefore, using can be again
The advantages of type of the application of rechargeable battery is due to rechargeable battery and it is varied, and expected rechargeable battery will be
Future is applied to many fields and product.
Depending on the configuration of electrode and electrolyte solution, this rechargeable battery can be categorized as lithium ion battery, lithium ion gathers
Compound battery, lithium polymer battery etc., and easy to manufacture and the lithium ion polymerization with relatively low electrolyte leakage possibility
The use of thing battery increases.Generally, rechargeable battery is categorized as cylindrical battery and prismatic battery --- wherein, electricity
Pole component is embedded in cylinder or prismatic metal tank, and pouch-type battery --- wherein, electrode assemblie is embedded in aluminium lamination pressure
In the pouch-type housing of piece.
Wherein, because the high power capacity of battery, the expansion of the size of housing and the processing of thin material are just causing a large amount of concerns,
And therefore, there is the stacking being embedded in the pouch-shaped battery case of aluminum-laminated sheets or the pouch-type of stacking/folding electrode component electricity
Pond is because manufacturing cost is low, weight is small and shape distortion easily gradually increases use.
Fig. 1 schematically shows conventional pouch-type battery.
Reference picture 1, bag type rechargeable battery 10 are formed with following structure, wherein by positive electrode, negative electrode and setting
The electrode assemblie 30 that seperation film between positive electrode and negative electrode is formed is arranged in pouch-shaped battery case 20, and and electrode
Two contact conductors 40 and 41 of positive electrode contact pin 31 and negative electrode contact pin 32 electrical connection of component 30 are exposed to outside.
Electrode shell 20 is formed by housing body 21, and including can wherein receive the recessed receiving portion of electrode assemblie 30
23 and it is integrally connected to the lid 22 of main body 21.
Multiple positive electrode contact pin 31 and multiple negative electrode contact pin 32 are welded to stacked electrode assemblie 30 and therefore coupling
It is connected to contact conductor 40 and 41.In addition, contact conductor 40 and 41 is arranged at the upper end 24 of housing body 21 and the upper end of lid 22,
And barrier film 50 is attached respectively to contact conductor 40 and 41 to prevent the generation of short circuit.
This bag type rechargeable battery is widely used as various electronic installations and the energy source of various mobile devices.However,
When producing gas in charge/discharge process, cell casing rupture and poisonous gas leakage, therefore due to the failure of battery
And cause unexpected heat or blast.
Rechargeable battery and medium-sized or large-sized battery module including rechargeable battery are provided with safety device ---
For example, for cutting off the protection circuit and fuse of electric current during overcharge, overdischarge and overcurrent, but electricity can not be monitored in real time
The amount of caused gas in pond.Therefore, it is impossible to determine the time of cell casing rupture, and therefore significantly reduce safety
Property, so that being difficult to show desired effects.
The content of the invention
Technical problem
The technical problem for having made the present invention to solve the above mentioned problem of prior art and require in the past.
Specifically, in order to transmit police by the internal pressure that rechargeable battery is detected before cell casing rupture
The number of notifying and prevent accident in advance, the present invention provides a kind of battery module, battery list of the battery module in rechargeable battery
The outer surface of body has sensing probe, is changed and transmission signal with sensing the local expansion of battery cell, with based on being passed
Defeated signal and when determining that internal pressure exceedes threshold pressure level, produce the alarm signal of the security for ensuring battery module
Number.
Technical solution
Included according to the battery module for including being used to detect the probe of the expansion of battery cell of the present invention：Two or more
Individual rechargeable battery monomer；Sensing probe, at least one outer surface in battery cell is arranged on to sense the battery
The local expansion of monomer changes and transmission signal；And controller, from sensing probe reception signal, according to received signal
Estimate the internal pressure of battery cell, and when estimated internal pressure exceedes threshold pressure level, generation alarm signal with
Ensure the security of battery module.
That is, probe can estimate internal pressure according to the volumetric expansion of battery cell, and can be broken in battery container
When internally pressure exceedes threshold pressure value before splitting, alarm signal is transmitted, ensures battery module from there through accident is prevented
Security.
In an instantiation, the battery container of battery cell is made up of the laminate including resin bed and metal level
Pouch-shaped battery case, and the outer circumferential side of the receiving portion of electrode assemblie can be received within receiving in electrode assemblie and electrolyte
Close and seal when in part.
In this situation, receiving portion may be provided at recessed in pouch-shaped battery case so that the part of electrode assemblie insertion
In.
In this structure, electrode assemblie can be with the relatively large hexahedral shape in top side and bottom side, and receiving portion can be recessed
Up to the depth of the height corresponding to electrode assemblie, and the side surface for providing the depth of receiving portion may be provided at bottom side with being directed to
The thermal weld of receiving portion and between the outer circumferential side that sets.
For example, the side surface of receiving portion can be relative to bottom surface with 45 degree to 85 degree of angle tilt.
In addition, sensing probe can be configured to contact the outside of the side surface of receiving portion.
In this situation, sensing probe can be configured to be provided with the electricity of battery cell in the side surface of contact receiving portion
The outside of the side surface of extreme son.
In an instantiation, sensing probe may be provided at least two battery cells.
According to the present invention, battery cell can be embedded in hexahedron module housing, and probe installation unit can correspond to
It is arranged in the shape of the outer shape of sensing probe in module housing.
In an instantiation, threshold pressure level can be set below the electricity during hermetic unit rupture of battery container
In the scope of the internal pressure of pond monomer.
In this situation, threshold pressure level can be set in 1.5atm to 3atm scope.
Or threshold pressure level can be set in 2.5atm to 3atm scope.
According to the present invention, controller can be monitored and control the battery management system (BMS) of the operation of battery module.
In an instantiation, alarm signal can be off the operation of battery module to ensure the safety of battery module
The operating control signal of property.
Or alarm signal can be the user of device for making to be mounted with battery module or attendant visually and
Risk is acoustically identified to ensure the identification signal of the security of battery module.
According to the present invention, device can be vehicle, and user can be driver.
The present invention, which provides, includes battery pack of at least one battery module as single-bit module.
The present invention may also provide a kind of device including battery pack as power supply.
Device may be selected from electric vehicle, hybrid electric vehicle, plug-in hybrid electric vehicle, electric two-wheel car
And electric golf cart.
The structure and manufacture method of this device are well known in the art, therefore will be omitted it herein and retouched in detail
State.
Brief description of the drawings
Fig. 1 is the schematic diagram for the conventional bag type rechargeable battery for including electrode assemblie.
Fig. 2 is the schematic diagram for the battery cell to form battery module according to an exemplary embodiment of the invention.
Fig. 3 is the schematic diagram for including being used to detect the battery module of the probe of the expansion of battery cell.
Fig. 4 is the partial schematic diagram for the battery module being in the state of internal pressure increases in Fig. 3 battery cell.
Fig. 5 is the part of the battery module in Fig. 4 battery cell in the state of further increase in internal pressure
Schematic diagram.
Fig. 6 is the partial schematic diagram for the battery module for schematically showing another one exemplary embodiment according to the present invention.
Embodiment
Hereinafter, the one exemplary embodiment of the present invention, and the one exemplary embodiment of the present invention be will be described with reference to the accompanying drawings
It is to be provided to be readily appreciated that the present invention, and the scope of the present invention not limited to this.
Fig. 2 is the schematic diagram for the battery cell to form battery module according to an exemplary embodiment of the invention.
Reference picture 2, the battery container 120 of battery cell 101 is as made by the laminate including resin bed and metal level
Pouch-type housing is formed, and including the first housing 121 and the second housing 122.
Battery container 120 is made up of laminate, and the external resin layer 120A including being arranged in outermost, prevents material
The barrier metal layer 120B of the infiltration of the material and inner resin layer 120C for encapsulation.
Battery container 120 is formed with following structure, and wherein the periphery of receiving portion 123 is in electrode assemblie 130 and electrolysis
Matter solution seals after being received in receiving portion 123.
Receiving portion 123 is arranged in the sunk part of the first housing 121, and the second housing 122 is from the first housing 121
One end extension.Second housing 122 closes while bending in the directions of the arrows and seals the receiving portion of the first housing 121
123。
Electrode assemblie 130 has top side and bottom side relatively larger than the hexahedron structure of its height.
There is receiving portion 123 portion concave of first housing 121 to install the structure of electrode assemblie 130.That is, connect
Part 123 is received with the deep recess of the height corresponding to electrode assemblie 130, and the side of the depth of receiving portion 123 is provided
Outer circumferential side 121a, 121b, 121c of the bottom side that is arranged on receiving portion 123 and the bottom side for being thermally welded to receiving portion 123 and
Between 121d.
The outer peripheral portion of outer circumferential side 121a, 121b, 121c and 121d along receiving portion 123 is set to seal receiving portion
123.That is, the first housing 121 and the second housing 122 have the outer circumferential side of the receiving portion 123 of enclosed electrode component 130
121a, 121b, 121c and 121d structure.
It is couple to the plus end 141 of electrode assemblie 130 and negative terminal 142 is arranged on and the first housing 121 and the second housing
In the first relative outer circumferential side 121a of 122 parts connected.
Dielectric film 150 is attached respectively to the top side and bottom side of plus end 141 and negative terminal 142, to be insulated respectively.
Second outer circumferential side 121b and the 3rd outer circumferential side 121c is respectively adjacent to be set in the first outer circumferential side 121a opposite end,
And the second outer circumferential side 121b and the 3rd outer circumferential side 121c are set relative to each other.
Fig. 3 is the partial schematic diagram of battery module, and wherein the battery module includes probe, and the probe in detecting internal pressure increases
It is big and the state of the battery cell of the expansion of battery cell occurs.
Reference picture 3, battery module 100 include：Sensing probe 110, the internal pressure of sensing battery cell 101 change and passed
Defeated signal；And controller 190, from the reception signal of sensing probe 110 and produce the security for ensuring battery module 100
Alarm signal.
The side surface 123a of receiving portion 123 is relative to bottom surface with 75 degree of angle tilt, and sensing probe 110 is set
The outer surface 123a " for being set to the side surface 123a of the electrode terminal 141 and 142 with being provided with battery cell 101 to be contacted.
The side surface 123a of receiving portion 123 includes the inner surface 123a' and contact sensing probe of contact electrode assemblie 130
110 outer surface 123a ", sensing probe 110 towards receiving portion 123 side surface 123a be arranged on outer surface 123a "
On, make it that sensing probe 110 connects as internal pressure increases during the charging and discharging process of battery cell 101
Receive the outer surface 123a " of part 123.
Module housing 170 receives battery cell 101 wherein, and with the outside shape corresponding to sensing probe 110
The probe installation unit 171 of the shape of shape is arranged in module housing 170.
Fig. 4 is the partial schematic diagram for the battery module being in the state of internal pressure increases in Fig. 3 battery cell,
And Fig. 5 is the part signal of the battery module in Fig. 4 battery cell in the state of further increase in internal pressure
Figure.
Reference picture 4 and Fig. 5, sensing probe 110 are fixed to probe installation unit 171, and its middle probe installation unit 171 is in mould
There is the shape of the outer shape corresponding to sensing probe 110 in block housing 170.
When the internal pressure increase of receiving portion 123, the side surface 123a expansions of receiving portion 123, and then feel
Probing pin 110 detects the pressure of battery cell 101 and testing result is transferred into controller 190.
Except internal pressure increases and the therefore side surface 123a of receiving portion 123 volume increase, structure and Fig. 3's
Structure is identical, and therefore will omit repeated description.
Fig. 6 is the partial schematic diagram for the battery module for schematically showing another one exemplary embodiment according to the present invention.
Reference picture 6, battery module 200 include multiple rechargeable battery monomers 201,202,203,204 and 205, and
They are arranged in module housing 270.Battery cell 201,202,203,204 and 205 is relative to bottom surface heap in vertical direction
It is folded.
Sensing probe 210 and 211 with the thickness of each in battery cell 201,202,203,204 and 205 and
The gradient installation of adjustment.Sensing probe 210 and 211 is arranged on one in multiple battery cells 201,202,203,204 and 205
A bit at the side surface of (for example, 201 and 205), or it may be mounted to the side table of respective battery monomer 201,202,203,204 and 205
Face.
Detection signal is transferred to controller 290 by sensing probe 210 and 211, and controller 290 determines whether internally
Pressure produces alarm signal when exceeding threshold pressure level.
The structure of battery module 200 is identical with the structure of above-mentioned battery module, and difference is the He of sensing probe 210
211 are arranged in multiple battery cells 201,202,203,204 and 205, and therefore will omit repeated description.
It will be apparent to one skilled in the art that can be based on that described above various modifications and variations have been made in the present invention.
Industrial usability
As described above, local volume of the battery module of the probe of the expansion including sensing battery cell according to battery cell
Expansion estimation internal pressure, and alarm signal is transmitted before cell casing rupture when internally pressure exceedes threshold voltage value,
Therefore to determine the security of battery module by preventing accident.
Therefore, the service life and security of battery module can be improved.
Claims (18)
1. a kind of battery module, including two or more rechargeable battery monomers, including：
Sensing probe, it is swollen to sense the part of the battery cell to be arranged at least one outer surface in the battery cell
It is swollen to change simultaneously transmission signal；And
Controller, the signal is received from the sensing probe, is estimated according to received signal in the battery cell
Portion's pressure, and when estimated internal pressure exceedes threshold pressure level, alarm signal is produced to ensure the battery module
Security.
2. battery module according to claim 1, wherein the battery container of the battery cell be by including resin bed and
Pouch-shaped battery case made of the laminate of metal level, and the outer circumferential side of the receiving portion of electrode assemblie is in the electrode assemblie
Close and seal when being received within electrolyte in the receiving portion.
3. battery module according to claim 2, wherein the receiving portion is arranged on the recessed pouch-shaped battery case
In so that the electrode assemblie insertion part in.
4. battery module according to claim 3, wherein the electrode assemblie has relatively large six faces in top side and bottom side
Shape, the receiving portion is recessed to reach depth corresponding with the height of the electrode assemblie, and provides the receiving portion
The side surface of depth be arranged between bottom side and the outer circumferential side set for the thermal weld of the receiving portion.
5. battery module according to claim 4, wherein the side surface of the receiving portion is arrived relative to bottom surface with 45 degree
85 degree of angle tilt.
6. battery module according to claim 4, wherein sensing probe are disposed in contact to the described of the receiving portion
The outside of side surface.
7. battery module according to claim 4, wherein the sensing probe is disposed in contact to the receiving portion
There is provided the outside of the side surface of the electrode terminal of the battery cell in the side surface.
8. battery module according to claim 1, wherein the sensing probe is arranged at least two battery cells.
9. battery module according to claim 1, wherein the battery cell is embedded in hexahedron module housing, and
Probe installation unit is arranged in the module housing with shape corresponding with the outer shape of the sensing probe.
10. battery module according to claim 1, wherein the threshold pressure level is set in than the battery container
When hermetic unit ruptures in the low scope of the internal pressure of the battery cell.
11. battery module according to claim 10, wherein the threshold pressure level is set in 1.5atm to 3atm's
In scope.
12. battery module according to claim 10, wherein the threshold pressure level is set in 2.5atm to 3atm's
In scope.
13. battery module according to claim 1, wherein the controller is to monitor and control the behaviour of the battery module
The battery management system BMS of work.
14. battery module according to claim 13, wherein the alarm signal is off the operation of the battery module
To ensure the operating control signal of the security of the battery module.
15. battery module according to claim 13, wherein the alarm signal makes to be mounted with the battery module
The user or attendant of device visually and acoustically identify risk to ensure that the identification of the security of the battery module is believed
Number.
16. battery module according to claim 15, wherein described device are vehicles, and the user is driver.
17. a kind of battery pack, including battery module according to any one of claim 1 to 16 is as single-bit module.
18. a kind of device, including battery pack according to claim 17 is as power supply.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0140182 | 2015-10-06 | ||
| KR1020150140182A KR101950463B1 (en) | 2015-10-06 | 2015-10-06 | Battery Module Having Prove for Sensing Expansion of Battery Cell |
| PCT/KR2016/010900 WO2017061728A1 (en) | 2015-10-06 | 2016-09-29 | Battery module comprising probe for sensing expansion of battery cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107534191A true CN107534191A (en) | 2018-01-02 |
| CN107534191B CN107534191B (en) | 2020-07-14 |
Family
ID=58487935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680022625.5A Active CN107534191B (en) | 2015-10-06 | 2016-09-29 | Battery module including probe for detecting swelling of battery cell |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US10476068B2 (en) |
| EP (1) | EP3255720B1 (en) |
| JP (1) | JP6442074B2 (en) |
| KR (1) | KR101950463B1 (en) |
| CN (1) | CN107534191B (en) |
| PL (1) | PL3255720T3 (en) |
| WO (1) | WO2017061728A1 (en) |
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|---|---|---|---|---|
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| CN112886082A (en) * | 2021-01-12 | 2021-06-01 | 中国汽车技术研究中心有限公司 | Power battery thermal runaway early warning method and device, electronic equipment and medium |
| CN114175357A (en) * | 2019-11-20 | 2022-03-11 | 株式会社Lg新能源 | Apparatus and method for sensing expansion of battery module |
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|---|---|---|---|---|
| US20150276636A1 (en) * | 2014-03-28 | 2015-10-01 | Intel Corporation | Device to detect battery expansion |
| US10714795B2 (en) * | 2017-05-01 | 2020-07-14 | Infineon Technologies Ag | Monitoring battery cell internal pressure |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000077043A (en) * | 1998-08-28 | 2000-03-14 | Mitsubishi Cable Ind Ltd | Sheet battery and its manufacture |
| US20040247994A1 (en) * | 2001-06-05 | 2004-12-09 | Hideki Masuda | Storage battery device and power source apparatus comprising it |
| CN1767232A (en) * | 2004-10-28 | 2006-05-03 | 三星Sdi株式会社 | Secondary battery |
| KR20060110576A (en) * | 2005-04-20 | 2006-10-25 | 주식회사 엘지화학 | Secondary battery module having piezo sensor |
| KR20070093165A (en) * | 2006-03-13 | 2007-09-18 | 주식회사 엘지화학 | Battery module having stability means of simple structure |
| US20090246607A1 (en) * | 2008-03-31 | 2009-10-01 | Sanyo Electric Co., Ltd. | Laminate type battery and battery module incorporating the laminate type battery |
| CN102082310A (en) * | 2009-11-26 | 2011-06-01 | 三星Sdi株式会社 | Battery pack capable of protecting battery cell from high-temperature-swelling and method thereof |
| JP2011198511A (en) * | 2010-03-17 | 2011-10-06 | Mitsubishi Heavy Ind Ltd | Battery system |
| US20110274955A1 (en) * | 2010-03-19 | 2011-11-10 | Lg Chem, Ltd. | Pouch type case and battery pack including the same |
| US20130089765A1 (en) * | 2010-11-30 | 2013-04-11 | Tokai Rubber Industries, Ltd. | Electricity accumulation device |
| KR20130037863A (en) * | 2011-10-07 | 2013-04-17 | 현대모비스 주식회사 | Battery pack and battery pack type battery module |
| US20130093383A1 (en) * | 2011-10-14 | 2013-04-18 | Duk-Jung Kim | Apparatus and method for detecting failure of battery |
| KR20130137863A (en) * | 2012-06-08 | 2013-12-18 | (주)고려진공안전 | Traffic sign board |
| US20140186667A1 (en) * | 2011-10-20 | 2014-07-03 | Lg Chem, Ltd. | Battery pack of improved safety |
| US20150171410A1 (en) * | 2013-12-18 | 2015-06-18 | Hyundai Motor Company | Apparatus for preventing over-charge for battery of vehicle |
| US20150171399A1 (en) * | 2013-12-18 | 2015-06-18 | Hyundai Motor Company | High voltage battery for vehicle |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000051638A (en) | 1999-01-25 | 2000-08-16 | 김순택 | Secondary battery |
| WO2007029941A1 (en) | 2005-09-07 | 2007-03-15 | Lg Chem, Ltd. | Secondary battery employing safety device |
| KR20070075927A (en) * | 2006-01-17 | 2007-07-24 | 주식회사 엘지화학 | Small-sized battery pack of improved stability |
| KR101072955B1 (en) | 2009-08-14 | 2011-10-12 | 에스비리모티브 주식회사 | Battery module |
| KR101351427B1 (en) * | 2010-02-12 | 2014-01-14 | 주식회사 엘지화학 | Apparatus for monitoring and controlling swelling of secondary cell |
| KR101152662B1 (en) | 2010-09-03 | 2012-06-15 | (주)열린기술 | Apparatus for preventing explosion of secondary battery |
| US8986866B2 (en) * | 2010-11-29 | 2015-03-24 | Apple Inc. | Fault detection and monitoring in batteries |
| TW201407179A (en) * | 2012-08-12 | 2014-02-16 | Compal Electronics Inc | Electronic device and method for detecting swelling of battery thereof |
| KR101944837B1 (en) | 2012-09-28 | 2019-02-07 | 에스케이이노베이션 주식회사 | Overcharge Prevent Apparatus for Battery-cell of Secondary Battery |
| KR101449306B1 (en) * | 2013-06-28 | 2014-10-08 | 현대자동차주식회사 | Safety unit for overcharge of battery |
-
2015
- 2015-10-06 KR KR1020150140182A patent/KR101950463B1/en active IP Right Grant
-
2016
- 2016-09-29 US US15/555,858 patent/US10476068B2/en active Active
- 2016-09-29 PL PL16853844T patent/PL3255720T3/en unknown
- 2016-09-29 JP JP2017547532A patent/JP6442074B2/en active Active
- 2016-09-29 CN CN201680022625.5A patent/CN107534191B/en active Active
- 2016-09-29 EP EP16853844.5A patent/EP3255720B1/en active Active
- 2016-09-29 WO PCT/KR2016/010900 patent/WO2017061728A1/en active Application Filing
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000077043A (en) * | 1998-08-28 | 2000-03-14 | Mitsubishi Cable Ind Ltd | Sheet battery and its manufacture |
| US20040247994A1 (en) * | 2001-06-05 | 2004-12-09 | Hideki Masuda | Storage battery device and power source apparatus comprising it |
| CN1767232A (en) * | 2004-10-28 | 2006-05-03 | 三星Sdi株式会社 | Secondary battery |
| US20060093896A1 (en) * | 2004-10-28 | 2006-05-04 | Hong Eui-Sun | Secondary battery |
| KR20060110576A (en) * | 2005-04-20 | 2006-10-25 | 주식회사 엘지화학 | Secondary battery module having piezo sensor |
| WO2006112639A1 (en) * | 2005-04-20 | 2006-10-26 | Lg Chem, Ltd. | Secondary battery module having piezo sensor |
| CN101147278A (en) * | 2005-04-20 | 2008-03-19 | 株式会社Lg化学 | Secondary battery module having piezo sensor |
| JP2008535174A (en) * | 2005-04-20 | 2008-08-28 | エルジー・ケム・リミテッド | Secondary battery module with piezoelectric sensor |
| KR20070093165A (en) * | 2006-03-13 | 2007-09-18 | 주식회사 엘지화학 | Battery module having stability means of simple structure |
| CN101038975A (en) * | 2006-03-13 | 2007-09-19 | 株式会社Lg化学 | Battery module having stability means of simple structure |
| US20090246607A1 (en) * | 2008-03-31 | 2009-10-01 | Sanyo Electric Co., Ltd. | Laminate type battery and battery module incorporating the laminate type battery |
| JP2009245879A (en) * | 2008-03-31 | 2009-10-22 | Sanyo Electric Co Ltd | Laminate type battery and battery module equipped therewith |
| CN102082310A (en) * | 2009-11-26 | 2011-06-01 | 三星Sdi株式会社 | Battery pack capable of protecting battery cell from high-temperature-swelling and method thereof |
| JP2011198511A (en) * | 2010-03-17 | 2011-10-06 | Mitsubishi Heavy Ind Ltd | Battery system |
| US20120148890A1 (en) * | 2010-03-17 | 2012-06-14 | Kyushu Electric Power Co., Inc. | Battery system |
| CN202930506U (en) * | 2010-03-17 | 2013-05-08 | 三菱重工业株式会社 | Battery system |
| US20110274955A1 (en) * | 2010-03-19 | 2011-11-10 | Lg Chem, Ltd. | Pouch type case and battery pack including the same |
| US20130089765A1 (en) * | 2010-11-30 | 2013-04-11 | Tokai Rubber Industries, Ltd. | Electricity accumulation device |
| KR20130037863A (en) * | 2011-10-07 | 2013-04-17 | 현대모비스 주식회사 | Battery pack and battery pack type battery module |
| US20130093383A1 (en) * | 2011-10-14 | 2013-04-18 | Duk-Jung Kim | Apparatus and method for detecting failure of battery |
| KR20130040575A (en) * | 2011-10-14 | 2013-04-24 | 삼성에스디아이 주식회사 | Apparatus and method for detecting failure of battery |
| US20140186667A1 (en) * | 2011-10-20 | 2014-07-03 | Lg Chem, Ltd. | Battery pack of improved safety |
| KR20130137863A (en) * | 2012-06-08 | 2013-12-18 | (주)고려진공안전 | Traffic sign board |
| US20150171410A1 (en) * | 2013-12-18 | 2015-06-18 | Hyundai Motor Company | Apparatus for preventing over-charge for battery of vehicle |
| US20150171399A1 (en) * | 2013-12-18 | 2015-06-18 | Hyundai Motor Company | High voltage battery for vehicle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834674A (en) * | 2019-04-22 | 2020-10-27 | 丰田自动车株式会社 | Method for manufacturing battery and battery |
| CN114175357A (en) * | 2019-11-20 | 2022-03-11 | 株式会社Lg新能源 | Apparatus and method for sensing expansion of battery module |
| CN114175357B (en) * | 2019-11-20 | 2023-09-12 | 株式会社Lg新能源 | Apparatus and method for detecting swelling of battery module |
| CN112886082A (en) * | 2021-01-12 | 2021-06-01 | 中国汽车技术研究中心有限公司 | Power battery thermal runaway early warning method and device, electronic equipment and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3255720A1 (en) | 2017-12-13 |
| KR20170040919A (en) | 2017-04-14 |
| PL3255720T3 (en) | 2021-05-17 |
| JP6442074B2 (en) | 2018-12-19 |
| JP2018508107A (en) | 2018-03-22 |
| EP3255720A4 (en) | 2018-07-25 |
| KR101950463B1 (en) | 2019-02-20 |
| CN107534191B (en) | 2020-07-14 |
| EP3255720B1 (en) | 2020-11-18 |
| US20180047972A1 (en) | 2018-02-15 |
| US10476068B2 (en) | 2019-11-12 |
| WO2017061728A1 (en) | 2017-04-13 |
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